Agrocery stre sells 3 different quantiles of sugar a 1 pound bag cost 1.10 eight a 2 pound bag cost 198 and a 3 pound bag cost to and 85 describe how the unit cost change as the quantity of the sugar increases

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

What is the slope of the line shown below?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /